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Showing 1,401 - 1,420 results of 9,442 for search '(structures OR structural) variation', query time: 0.22s Refine Results
  1. 1401

    Study on the characteristics of genetic diversity and population structure of a rare and endangered species of Rhododendron nymphaeoides (Ericaceae) based on microsatellite markers by Jun Luo, Xiaoyong Dai, Jin Chen, He Shuang, Congjun Yuan, Dali Luo

    Published 2025-03-01
    “…The genetic diversity and population structure have never been described, making it difficult to plan conservation strategies for this plant. …”
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    Article
  2. 1402

    Characterization of Matrix Pore Structure of a Deep Coal-Rock Gas Reservoir in the Benxi Formation, NQ Block, ED Basin by Guangfeng Liu, Dianyu Wang, Xiang Peng, Qingjiu Zhang, Bofeng Liu, Zhoujun Luo, Zeyu Zhang, Daoyong Yang

    Published 2025-06-01
    “…In this study, a comprehensive experimental framework was developed to quantitatively characterize the pore structure of a deep coal-rock (DCR; reservoirs below [3000 m]) gas reservoir. …”
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    Article
  3. 1403

    Genetic structure and evolutionary dynamics of Babesia gibsoni populations: a cytochrome oxidase subunit I (COXI) gene-based study by Ansu Kumari, Divya Agnihotri, Anil Kumar Nehra, Aman Dev Moudgil, Yudhbir Singh, Prem Sagar Maurya, Devendra Prasad Pateer, Rajat Garg

    Published 2025-07-01
    “…Analysis of the secondary structure of the COXI protein revealed a composition of nine alpha helices, with no beta sheets present. …”
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    Article
  4. 1404
  5. 1405

    Numerical Solution of the Variational Problem of Seismoscopy by Z. Iwanow

    Published 1994-07-01
    “… The method for solving the variational problem of seismoscopy, submitted in the present paper, offers various possibilities for verifying the structure and the properties of a medium. …”
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    Article
  6. 1406

    Exploring Grammatical Structure: A Corpus Analysis on the Use of “To Be” in Vocational Students’ WhatsApp Group Conversations using AntConc by Muhammad Arba’in, Itsna Millatul Himmayati, Dwi Hastuti, Desi Nosita, Triyoko Triyoko

    Published 2025-01-01
    “…The students employ the use of “to be” in several variations of grammar structure such as nominal sentence, passive sentence, progressive tense and be going to. …”
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    Article
  7. 1407

    Searching for new physics using high precision absorption spectroscopy; continuum placement uncertainties and the fine structure constant in strong gravity by Chung-Chi Lee, John K. Webb, Darren Dougan, Vladimir A. Dzuba, Victor V. Flambaum, Dinko Milaković

    Published 2025-04-01
    “…Our results suggest that continuum placement variations should be investigated in other contexts, including fine structure constant measurements in stars other than white dwarfs. …”
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    Article
  8. 1408
  9. 1409
  10. 1410

    Gait Tracking Control of Quadruped Robot Using Differential Evolution Based Structure Specified Mixed Sensitivity H∞ Robust Control by Petrus Sutyasadi, Manukid Parnichkun

    Published 2016-01-01
    “…To overcome the uncertainties and disturbances, structured specified mixed sensitivity H∞ robust controller was proposed to control the quadruped robot legs’ joint angle positions. …”
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    Article
  11. 1411

    Advanced optic-fiber sensor for progesterone concentration detection relying on the temperature-compensated reflective structure functionalized with molecularly imprinted polymer by Hanlin Liu, Miao Liu, Shuyuan Guo, Jingru Mao, Yongfeng Zou, Yuejiang Yu, Dandan Sun, Jie Ma

    Published 2025-07-01
    “…Simultaneously, it has been established that the sensor has good specificity in ten different real samples. This cascaded structure reflective sensor provides a simple and reliable technology for the quantitative detection of PG concentration in dairy products and water.…”
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    Article
  12. 1412

    Crustal structure at colliding plates boundary from receiver functions analysis: A close look beneath the northern Apennines (Italy) by P. Roselli, F. P. Lucente, N. Piana Agostinetti

    Published 2008-06-01
    “…Teleseismic receiver functions from a seismic experiment in a small area of the northern Apennines, Italy, reveal strong crustal structure variations across the mountain chain. Receiver functions imaging and full waveform inversion technique are used to constrain the S‐wave velocity profile in the crust and to reconstruct the geometry of the main seismic discontinuities at depth. …”
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    Article
  13. 1413

    Mechanical performance of SS 316L node-reinforced diamond metal lattice structure manufactured via selective laser melting by N Shivakumar, T Ramesh, S Muthukumaran

    Published 2025-01-01
    “…Among these, diamond metal lattice structures (DLS) stand out due to their high porosity. …”
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    Article
  14. 1414

    Age-structured malaria model with temperature-dependent dynamics and optimal control analysis within a partial differential equation framework. by Lukas Degu Petros, Temesgen Erena Abdisa, Dinka Tilahun Etefa, Dawit Kechine Menbiko, Ademe Kebede Gizaw, Eba Alemayehu Simma, Delenasaw Yewhalaw, Chernet Tuge Deressa

    Published 2025-01-01
    “…This study presents a temperature-dependent, two-class age-structured malaria model using partial differential equations and optimal control strategies to assess their impact on malaria transmission. …”
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    Article
  15. 1415

    The Relationship Between Credit Supply, Capital Structure and Firm Performance of Listed Real Estate Firms: Evidence from an Emerging Country by Dinh Long Tran, Duy Tinh Pham, Quang Khai Nguyen

    Published 2025-05-01
    “…This study investigates the relationship between capital structure and firm performance, concentrating on the moderating influence of monetary policy by means of bank credit. …”
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    Article
  16. 1416

    Diagenetic alteration, pore structure, and reservoir quality of the tight sandstone reservoirs in the Lishu fault depression in the Songliao Basin, northeastern China by Zhu Jianfeng, Pang Haiming, Li Zhongbo

    Published 2025-07-01
    “…The diagenetic coefficient and mineral composition are considered critical determinants of pore structure. Specifically, SCMCF and WDCF are regarded as unfavorable diagenetic facies. …”
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    Article
  17. 1417

    Study of the synergistic effect of electrospun fiber structure and PPy particles on the electrical conductivity and tensile strength of PCL-PVA-PPy fibers by Zahra Sabet-Bokati, Seyed Mojtaba Zebarjad

    Published 2025-09-01
    “…This study used Response Surface Methodology (RSM) to model how fiber structure and polypyrrole (PPy) particles simultaneously influence the electrical conductivity and tensile strength of PCL-PVA-PPy fibers. …”
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    Article
  18. 1418

    Impact of different concentrations of biogas slurry as a fertilizer substitute on the structure and gene distribution of microbial communities in oilseed rape soil by Xue Yang, Kai Zhang, YaYing Chen, Cancai Zheng, Chunlong Lei, Xiaoqin Song, Bin Wen, Xin Yuan, Hanyang Liu, Jiawen Zhu

    Published 2025-03-01
    “…Overall microbial diversity and community structure remained largely stable. Dimensionality reduction analysis further revealed only minor variations in the abundance of ARGs, mobile genetic elements (MGEs), and metal resistance genes (MRGs) among treatments. …”
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    Article
  19. 1419
  20. 1420

    Two-Dimensional Correlation Infrared Spectroscopy for Rapid Analysis of the Effect of pH on the Secondary Structure Content of Soybean Protein Isolate by LIU Chang, WU Dandan, WANG Ning, WANG Ruiying, WANG Liqi, LIU Feng, YU Dianyu

    Published 2024-09-01
    “…To meet the different functional needs for soybean protein isolate (SPI) in different food applications, this study utilized infrared spectroscopy to rapidly analyze 70 SPI samples subjected to different pH treatments, and explored the effect of pH changes on the secondary structure content of SPI. Mean centralization (MC), multivariate scattering correction (MSC), standard normal variate transformation, and normalization were used for infrared data preprocessing. …”
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    Article